From waste to watts: The East Bay Municipal Water District, which provides water to a portion of the San Francisco Bay Area, has launched a food-waste-to-energy-and-compost program at its wastewater treatment plant. Food waste collected from restaurants and grocery stores is digested by bacteria that emit...

San Francisco to rest of U.S.: Step up!: San Francisco's incredibly progressive mayor, Gavin Newsom, has just signed what he calls "the most comprehensive recycling and composting legislation in the country and the first to require residents and businesses to compost food scraps." San Francisco is already...